Lexmark 4036-307, Service Manual

Page: 18 / 134

2-4
Service Manual
4036-307, -308
844 .03 Rear scan module lamp
level too low Rear Mono channel, Rear Color
channels, Rear Red channel,
Rear Green channel, and/or Rear
Blue channel is detected to have
low lamp level. Replace ADF optical unit
844 .04 Front scan module has
excessive noise This will manifest itself by
creating a fuzzy image. Replace flatbed optical unit
844 .05 Rear scan module has
excessive noise This will manifest itself by
creating a fuzzy image. Replace ADF optical unit
844 .06 Front scan module has
excessive variability Replace flatbed optical unit
844 .07 Rear scan module has
excessive variability Replace ADF optical unit
844 .08 Front scan module banding Replace flatbed optical unit
844 .09 Rear scan module banding Replace ADF optical unit
845 .00 Front scan module cable
failure or SCC card failure
CCD channel failure Check each channel (mono, R, G,
B) for identical values indicating
bad cable and/or SCC card.
Excessive noise test for the dark
data indicating some sort of CCD
or analog electronics issue on
that channel or channels. See “845.00 Front scan module
cable failure or SCC card failure
CCD channel failure” on page 4-
19
.
845 .01 Rear scan module cable
failure or SCC card failure
CCD channel failure Check each channel (mono, R, G,
B) for identical values indicating
bad cable and/or SCC card.
Excessive noise test for the dark
data indicating some sort of CCD
or analog electronics issue on
that channel or channels. See “845.01 Rear scan module
cable failure or SCC card failure
CCD channel failure” on page 4-
19
.
845 .02 Cable/SCC Failure Front scan module connector or
cable failure See “845.02 Cable/SCC failure”
on page 4-20 .
845 .03 Cable/SCC Failure Rear scan module connector or
cable failure See “845.03 Cable/SCC failure”
on page 4-20 .
845 .04 Cable Failure The connector cable is defective. Replace PCI Cable
846 .00 Front calibration strip
unusable See “” on page 4-20 .
846 .01 Rear calibration strip
unusable Replace ADF optical unit
846 .02 Front calibration strip too
far left (The Front
Calibration Strip is placed
too high or too low.) See “” on page 4-20 .
846 .03 Front calibration strip too
far right See “” on page 4-20 .
846 .04 Front calibration strip has
excessive skew See “” on page 4-20 .
846 .05 Front calibration strip has
excessive bow See “” on page 4-20 .
Error
code Sub
codes
Displayed message Description Action